DOC AIRBUS | AMM A320FRemoval of the Turbine Rear Frame TRF Drain Tube [CFMB]
TASK 71-73-49-000-005-B
Removal of the Turbine Rear Frame TRF Drain Tube
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 71-73-49-941-067-A ** ON A/C NOT FOR ALL
Subtask 71-73-49-020-066-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:27:43 UTC
Removal of the Turbine Rear Frame TRF Drain Tube
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | COVER - PROTECTION |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-B | Opening of the Thrust Reverser Doors |
Turbine Rear Frame Drain TubeSubtask 71-73-49-941-067-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 71-73-49-010-067-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 71-73-49-040-052-A ** ON A/C NOT FOR ALL Subtask 71-73-49-010-083-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
D. Open the thrust reverser doors: (Ref. AMM TASK 78-36-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 71-73-49-020-066-A ** ON A/C NOT FOR ALL
A. Removal of the Turbine Rear Frame (TFR) Drain Tube
(1) Remove the bolt (5), the washer (10), the nut (15) and the clamp (20) that attach the turbine rear frame drain tube (25) to the bracket.
(2) Remove the clamp (20) from the drain tube (25).
(3) Disconnect the drain tube (25) from the drain nipple on the turbine rear frame.
(4) Remove the drain tube (25) from the engine.
(5) Put COVER - PROTECTION on the TFR drain nipple and the drain tube (25).
(1) Remove the bolt (5), the washer (10), the nut (15) and the clamp (20) that attach the turbine rear frame drain tube (25) to the bracket.
(2) Remove the clamp (20) from the drain tube (25).
(3) Disconnect the drain tube (25) from the drain nipple on the turbine rear frame.
(4) Remove the drain tube (25) from the engine.
(5) Put COVER - PROTECTION on the TFR drain nipple and the drain tube (25).